libyui-ncurses  2.44.1
/usr/src/RPM/BUILD/libyui-ncurses-2.44.1/src/NCBusyIndicator.h
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019    File:       NCBusyIndicator.h
00020 
00021    Author:     Thomas Goettlicher <tgoettlicher@suse.de>
00022    Maintainer: Thomas Goettlicher <tgoettlicher@suse.de>
00023 
00024 /-*/
00025 
00026 #ifndef NCBusyIndicator_h
00027 #define NCBusyIndicator_h
00028 
00029 #include <iosfwd>
00030 
00031 #include <yui/YBusyIndicator.h>
00032 #include "NCWidget.h"
00033 
00034 
00035 class NCBusyIndicator;
00036 
00037 
00038 
00039 
00040 
00041 class NCBusyIndicator : public YBusyIndicator, public NCWidget
00042 {
00043 private:
00044 
00045     friend std::ostream & operator<<( std::ostream & STREAM, const NCBusyIndicator & OBJ );
00046 
00047     NCBusyIndicator & operator=( const NCBusyIndicator & );
00048     NCBusyIndicator( const NCBusyIndicator & );
00049 
00050     typedef long long Value_t;
00051 
00052     NClabel  _label;
00053     Value_t  _timeout;
00054     NCursesWindow * _lwin;
00055     NCursesWindow * _twin;
00056 
00057     void setDefsze();
00058     void tUpdate();
00059     void update();
00060 
00061     float       _position;              // the position of the bar
00062     bool        _rightwards;            // direction the bar moves
00063     bool        _alive;                 // the widget is alive or stalled
00064     float       _timer_divisor;         // =repaint interval devided by timeout
00065     float       _timer_progress;        // progress until widget goes to stalled state
00066 
00067 
00068 protected:
00069 
00070 
00071     virtual const char * location() const { return "NCBusyIndicator"; }
00072 
00073     virtual void wCreate( const wrect & newrect );
00074     virtual void wDelete();
00075 
00076     virtual void wRedraw();
00077 
00078 public:
00079 
00080     NCBusyIndicator( YWidget * parent,
00081                      const std::string & label,
00082                      int timeout = 1000 );
00083     virtual ~NCBusyIndicator();
00084 
00085     virtual int preferredWidth();
00086     virtual int preferredHeight();
00087 
00088     virtual void setSize( int newWidth, int newHeight );
00089 
00090     virtual void setLabel( const std::string & nlabel );
00091 
00092     virtual void setTimeout( int newTimeout );
00093 
00094     virtual void setAlive( bool newAlive );
00095 
00096     virtual void setEnabled( bool do_bv );
00097 
00098     int timeout()   const   { return _timeout;  }
00099 
00100     void handler( int sig_num );
00101 
00102     static void staticHandler( int sig_num );
00103 };
00104 
00105 
00106 #endif // NCBusyIndicator_h
 All Classes Functions Variables